- If is or moves inside , it is in .
- He locked his keys inside his car.
- Outside was cold, but he was warm inside the house.
- I put my pen inside my bag.
- Let's look inside here.
- Don't stand out here. Come on inside.
- The inside of something is the part that you can't see or can't touch because other parts are around it.
- The inside of my mouth hurts.
- Outside, the building was dark and grey, but the inside was bright and beautiful.